This model consists of the following features (info from Omega webpage):

The Ploprof 1200M is available either with a brushed mesh "Sharkproof" bracelet or on a rubber strap in a choice of black or orange. The bracelet, with its double extension system, is fitted with OMEGA’s new diving safety clasp whose pinned links allow precise adjustments to 18 positions. It also features an extra divers’ extension to 26 mm so that the watch can be worn comfortably over a diving suit.

Bi-directional rotating bezel
A bezel which can be turned clockwise or anti-clockwise. Rotating bezels can be used to time events, measure elapsed times, or read second or third time zones.

COSC
Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC)

Date
The day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.

Helium escape valve
Decompression system which allows helium to escape from inside the watch when the watch is worn for professional use in pressure chambers. (Long-term underwater work, crude oil exploration, etc.)

Screw-in crown

Omega 8500 in house movement

This watch is brand new in box, has all papers, links, warranty cards, booklets, inner and outer boxes.

Warranty card is filled out by authorized dealer and is dated April 28/2010 but the name is blank.